Carpenter tool list:Ruler: Ruler size can be calibrated;Bubble level: Check surface level. Bubble level can be calibrated;Light: Use it as a manual torch light, strobe light or a sound driven light show;Protractor: Measure the slope and angle of any object. Protractor can be calibrated;Magnifier.

The app supports all device brands (Samsung, Sony, HTC, LG, Huawei, Lenovo, Toshiba and others). However, not all models have the appropriate sensors to support all the tools. It is tested mostly on Samsung, Sony, HTC, LG, Huawei, Lenovo and Toshiba. Feel free to visit out FB page for support: http://bit.ly/3N8UysR